US Bridges

CR 600E over Walnut Creek

Fair

Montgomery County, Indiana · 00.50 N of US 136 · Structure no. 5400172

Built
1982
43 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete Continuous
Length
121 ft
3 main spans
Daily traffic
525
2022 count
Owner
County
County Highway Agency

About this bridge

CR 600E over Walnut Creek is a concrete continuous slab carrying CR 600E over Walnut Creek in Montgomery County, Indiana. It was built in 1982, so it is 43 years old, younger than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 525 vehicles a day, roughly 10% of them trucks, projected to reach 725 by 2042. The structure is 121 ft (36.8 m) long and 28 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesCR 600E
CrossesWalnut Creek
Location00.50 N of US 136
RouteCounty Highway 77
StateIndiana
Coordinates40.01559, -86.7901
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.4 US tons
Inventory rating49.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length121 ft (36.8 m)
Longest span48 ft (14.6 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic525 (2022)
Projected traffic725 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 600E over Walnut Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is CR 600E over Walnut Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does CR 600E over Walnut Creek carry?

About 525 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is CR 600E over Walnut Creek?

The structure is 121 ft (36.8 m) long with a longest span of 48 ft (14.6 m) and a deck 28 ft wide.

Who owns CR 600E over Walnut Creek?

It is owned by the County Highway Agency.